v5 v6: code file renames, fairly extensive

* v5 file renames sync with v6 for easier comparison
* v5 here (5.5.6) remains as in previous version (5.5.5)

178 files changed, 307 insertions, 307 deletions

diff --git a/lib/sisu/v5/air.rb b/lib/sisu/v5/air.rb
index 12ec9ed6..aaa4340f 100644
--- a/lib/sisu/v5/air.rb
+++ b/lib/sisu/v5/air.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Air
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   class Source
     @@ao_array=[]
     @@fns=nil
diff --git a/lib/sisu/v5/ao.rb b/lib/sisu/v5/ao.rb
index ee99805d..d7b418f5 100644
--- a/lib/sisu/v5/ao.rb
+++ b/lib/sisu/v5/ao.rb
@@ -64,9 +64,9 @@
 module SiSU_AO
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao_doc_objects'                     # ao.rb
   require_relative 'ao_syntax'                          # ao_syntax.rb
diff --git a/lib/sisu/v5/ao_composite.rb b/lib/sisu/v5/ao_composite.rb
index 0d5905bc..af194db7 100644
--- a/lib/sisu/v5/ao_composite.rb
+++ b/lib/sisu/v5/ao_composite.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_Assemble
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class RemoteImage
     def initialize
       @env=SiSU_Env::InfoEnv.new
diff --git a/lib/sisu/v5/cgi.rb b/lib/sisu/v5/cgi.rb
index cd0175b5..efea863c 100644
--- a/lib/sisu/v5/cgi.rb
+++ b/lib/sisu/v5/cgi.rb
@@ -62,7 +62,7 @@
 
 =end
 module  SiSU_CGI                                                                 #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_pgsql'                          # cgi_pgsql.rb
   require_relative 'cgi_sqlite'                         # cgi_sqlite.rb
   class SearchSQL
diff --git a/lib/sisu/v5/cgi_pgsql.rb b/lib/sisu/v5/cgi_pgsql.rb
index a65b8a97..633e20fc 100644
--- a/lib/sisu/v5/cgi_pgsql.rb
+++ b/lib/sisu/v5/cgi_pgsql.rb
@@ -61,7 +61,7 @@
 
 =end
 module  SiSU_CGI_PgSQL                                                            #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_sql_common'                     # cgi_sql_common.rb
     include SiSU_CGI_SQL
   class SearchPgSQL < CGI_Common
diff --git a/lib/sisu/v5/cgi_sqlite.rb b/lib/sisu/v5/cgi_sqlite.rb
index fc665074..531071c4 100644
--- a/lib/sisu/v5/cgi_sqlite.rb
+++ b/lib/sisu/v5/cgi_sqlite.rb
@@ -61,7 +61,7 @@
 
 =end
 module  SiSU_CGI_SQLite                                                            #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_sql_common'                     # cgi_sql_common.rb
     include SiSU_CGI_SQL
   class SearchSQLite < CGI_Common
diff --git a/lib/sisu/v5/conf.rb b/lib/sisu/v5/conf.rb
index 04ac5cfa..820d0941 100644
--- a/lib/sisu/v5/conf.rb
+++ b/lib/sisu/v5/conf.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Initialize
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
     include SiSU_Screen
   require_relative 'relaxng'                            # relaxng.rb
@@ -82,7 +82,7 @@ module SiSU_Initialize
     end
   end
   class ConfigSite #config files such as css are not updated if they already exist unless forced using the --init=site modifier
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
     def initialize(opt)
       @opt=opt
       @env=SiSU_Env::InfoEnv.new(@opt.fns)
diff --git a/lib/sisu/v5/css.rb b/lib/sisu/v5/css.rb
index d9b2aa8c..b99359aa 100644
--- a/lib/sisu/v5/css.rb
+++ b/lib/sisu/v5/css.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Style
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'defaults'                           # defaults.rb
   class CSS_HeadInfo
     def initialize(md,ft='html')
diff --git a/lib/sisu/v5/db_columns.rb b/lib/sisu/v5/db_columns.rb
index 04be289d..189e8acb 100644
--- a/lib/sisu/v5/db_columns.rb
+++ b/lib/sisu/v5/db_columns.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_DbColumns
-  require_relative 'sysenv'                            # sysenv.rb
+  require_relative 'se'                                # se.rb
   require_relative 'db_sqltxt'                         # db_sqltxt.rb
   class Columns < SiSU_DbText::Prepare
     def initialize(md=nil)
diff --git a/lib/sisu/v5/db_create.rb b/lib/sisu/v5/db_create.rb
index 142318f5..35b15ada 100644
--- a/lib/sisu/v5/db_create.rb
+++ b/lib/sisu/v5/db_create.rb
@@ -64,7 +64,7 @@
 module SiSU_DbCreate
   require_relative 'db_columns'                         # db_columns.rb
   class Create < SiSU_DbColumns::Columns
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
     @@dl=nil
     def initialize(opt,conn,file,sql_type=:pg)
       @opt,@conn,@file,@sql_type=opt,conn,file,sql_type
diff --git a/lib/sisu/v5/db_drop.rb b/lib/sisu/v5/db_drop.rb
index ba7b57cd..2106fe8f 100644
--- a/lib/sisu/v5/db_drop.rb
+++ b/lib/sisu/v5/db_drop.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_DbDrop
   class Drop
-    require_relative 'response'                          # response.rb
+    require_relative 'utils_response'                   # utils_response.rb
     def initialize(opt,conn,db_info,sql_type)
       @opt,@conn,@db_info,@sql_type=opt,conn,db_info,sql_type
       @ans=SiSU_Response::Response.new
diff --git a/lib/sisu/v5/db_load_tuple.rb b/lib/sisu/v5/db_load_tuple.rb
index 750a47f0..98310bfd 100644
--- a/lib/sisu/v5/db_load_tuple.rb
+++ b/lib/sisu/v5/db_load_tuple.rb
@@ -64,7 +64,7 @@
 module SiSU_DbTuple
   require_relative 'db_columns'                         # db_columns.rb
   class LoadDocuments
-    require_relative 'param'                            # param.rb
+    require_relative 'dp'                               # dp.rb
       include SiSU_Param
     def initialize(conn,col,opt,file_maint)
       @conn,@col,@opt,@file_maint=conn,col,opt,file_maint
diff --git a/lib/sisu/v5/dbi.rb b/lib/sisu/v5/dbi.rb
index 83021b20..75b07372 100644
--- a/lib/sisu/v5/dbi.rb
+++ b/lib/sisu/v5/dbi.rb
@@ -61,9 +61,9 @@
 
 =end
 module  SiSU_DBI                                                                 #% database building
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'db_dbi'                             # db_dbi.rb
     include SiSU_DbDBI
diff --git a/lib/sisu/v5/dbi_discrete.rb b/lib/sisu/v5/dbi_discrete.rb
index 9c4726c9..73976756 100644
--- a/lib/sisu/v5/dbi_discrete.rb
+++ b/lib/sisu/v5/dbi_discrete.rb
@@ -61,9 +61,9 @@
 
 =end
 module  SiSU_DBI_Discrete                               #% database building
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'db_dbi'                             # db_dbi.rb
     include SiSU_DbDBI
diff --git a/lib/sisu/v5/defaults.rb b/lib/sisu/v5/defaults.rb
index 25dd270a..c2f0f19c 100644
--- a/lib/sisu/v5/defaults.rb
+++ b/lib/sisu/v5/defaults.rb
@@ -67,7 +67,7 @@ module SiSU_Viz
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('uri NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'css'                                # css.rb
     include SiSU_Style
diff --git a/lib/sisu/v5/digests.rb b/lib/sisu/v5/digests.rb
index 662fa23d..83f26714 100644
--- a/lib/sisu/v5/digests.rb
+++ b/lib/sisu/v5/digests.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_DigestView
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   require_relative 'prog_text_translation'              # prog_text_translation.rb
   require_relative 'shared_markup_alt.rb'               # shared_markup_alt.rb
   class Source
diff --git a/lib/sisu/v5/param.rb b/lib/sisu/v5/dp.rb
index 4621f460..eb9de5e6 100644
--- a/lib/sisu/v5/param.rb
+++ b/lib/sisu/v5/dp.rb
@@ -51,13 +51,13 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/param.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/dp.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: parameters extracted from input file(s) for program use
+ ** Description: document parameters extracted from input files for program use
 
 =end
 module SiSU_Param
@@ -68,10 +68,10 @@ module SiSU_Param
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
       error('uri or pstore NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param_make'                         # param_make.rb
-  require_relative 'param_identify_markup'              # param_identify_markup.rb
+  require_relative 'dp_make'                            # dp_make.rb
+  require_relative 'dp_identify_markup'                 # dp_identify_markup.rb
   @@date=SiSU_Env::InfoDate.new
   @@proc=
     @@filename_txt=
@@ -1162,7 +1162,7 @@ module SiSU_Param
                 gsub(/~\{.+?\}~/,'')
               SiSU_Screen::Ansi.new(
                 @opt.act[:color_state][:set],
-                'Parameters',
+                'Document Parameters',
                 %{#{title}#{creator}}
               ).txt_grey if @opt.act[:verbose][:set]==:on
             end
diff --git a/lib/sisu/v5/param_identify_markup.rb b/lib/sisu/v5/dp_identify_markup.rb
index f6884c7d..f6884c7d 100644
--- a/lib/sisu/v5/param_identify_markup.rb
+++ b/lib/sisu/v5/dp_identify_markup.rb
diff --git a/lib/sisu/v5/param_make.rb b/lib/sisu/v5/dp_make.rb
index 578e4fb9..05b5cbdf 100644
--- a/lib/sisu/v5/param_make.rb
+++ b/lib/sisu/v5/dp_make.rb
@@ -57,7 +57,7 @@
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: make parameters extracted for program use
+ ** Description: document parameters make extracted for program use
 
 =end
 
diff --git a/lib/sisu/v5/embedded.rb b/lib/sisu/v5/embedded.rb
index c013806b..b46975fd 100644
--- a/lib/sisu/v5/embedded.rb
+++ b/lib/sisu/v5/embedded.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_Embedded
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v5/errors.rb b/lib/sisu/v5/errors.rb
index f4e05091..c3468043 100644
--- a/lib/sisu/v5/errors.rb
+++ b/lib/sisu/v5/errors.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Errors
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   class Rescued <CreateFile
     def initialize(error,errorlist,cmd,fns='')
diff --git a/lib/sisu/v5/git.rb b/lib/sisu/v5/git.rb
index e7d2fcc1..5d3ffb8e 100644
--- a/lib/sisu/v5/git.rb
+++ b/lib/sisu/v5/git.rb
@@ -61,8 +61,8 @@
 
 =end
 module SiSU_Git
-  require_relative 'param'                              # param.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'dp'                                 # dp.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'ao'                                 # ao.rb
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v5/harvest.rb b/lib/sisu/v5/harvest.rb
index 053df905..cc12b08e 100644
--- a/lib/sisu/v5/harvest.rb
+++ b/lib/sisu/v5/harvest.rb
@@ -65,10 +65,10 @@
 module SiSU_Harvest
   @@the_idx_topics,@@the_idx_authors={},{}
   class Source
-    require_relative 'options'                              # options.rb
+    require_relative 'hub_options'                          # hub_options.rb
     require_relative 'harvest_topics'                       # harvest_topics.rb
     require_relative 'harvest_authors'                      # harvest_authors.rb
-    require_relative 'sysenv'                               # sysenv.rb
+    require_relative 'se'                                   # se.rb
       include SiSU_Env
     def initialize(opt)
       @opt=opt
diff --git a/lib/sisu/v5/author_format.rb b/lib/sisu/v5/harvest_author_format.rb
index 3bda7904..42238924 100644
--- a/lib/sisu/v5/author_format.rb
+++ b/lib/sisu/v5/harvest_author_format.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/author_format.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/harvest_author_format.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v5/harvest_authors.rb b/lib/sisu/v5/harvest_authors.rb
index 361b9a8f..7904ab15 100644
--- a/lib/sisu/v5/harvest_authors.rb
+++ b/lib/sisu/v5/harvest_authors.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_HarvestAuthors
-  require_relative 'author_format'                      # author_format.rb
+  require_relative 'harvest_author_format'              # harvest_author_format.rb
   class Songsheet
     @@the_idx_authors={}
     def initialize(opt,env)
diff --git a/lib/sisu/v5/harvest_topics.rb b/lib/sisu/v5/harvest_topics.rb
index c68293b0..cd507f63 100644
--- a/lib/sisu/v5/harvest_topics.rb
+++ b/lib/sisu/v5/harvest_topics.rb
@@ -63,7 +63,7 @@
 
 =end
 module SiSU_HarvestTopics
-  require_relative 'author_format'                      # author_format.rb
+  require_relative 'harvest_author_format'              # harvest_author_format.rb
   include SiSU_Viz
   class Songsheet
     @@the_idx_topics={}
diff --git a/lib/sisu/v5/html.rb b/lib/sisu/v5/html.rb
index 526b41c6..a613f56f 100644
--- a/lib/sisu/v5/html.rb
+++ b/lib/sisu/v5/html.rb
@@ -66,7 +66,7 @@ module SiSU_HTML
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
   end
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
diff --git a/lib/sisu/v5/html_concordance.rb b/lib/sisu/v5/html_concordance.rb
index 7bbb1a4c..dbaf83cf 100644
--- a/lib/sisu/v5/html_concordance.rb
+++ b/lib/sisu/v5/html_concordance.rb
@@ -62,9 +62,9 @@
 
 =end
 module SiSU_Concordance
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
@@ -212,7 +212,7 @@ WOK
         include SiSU_Viz
       require_relative 'html_format'                    # html_format.rb
         include SiSU_HTML_Format
-      require_relative 'sysenv'                         # sysenv.rb
+      require_relative 'se'                             # se.rb
         include SiSU_Screen
       @@dp=nil
       def initialize(particulars)
diff --git a/lib/sisu/v5/html_lite_shared.rb b/lib/sisu/v5/html_lite_shared.rb
index 3ce59049..e9497698 100644
--- a/lib/sisu/v5/html_lite_shared.rb
+++ b/lib/sisu/v5/html_lite_shared.rb
@@ -66,7 +66,7 @@ module SiSU_FormatShared
     include SiSU_Viz
   class CSS_Format
     require_relative 'defaults'                         # defaults.rb
-    require_relative 'particulars'                      # particulars.rb
+    require_relative 'se_hub_particulars'               # se_hub_particulars.rb
     @@fns=nil
     def initialize(md,t_o)
       @md,@t_o=md,t_o
diff --git a/lib/sisu/v5/html_promo.rb b/lib/sisu/v5/html_promo.rb
index f10bdb51..87f9bb31 100644
--- a/lib/sisu/v5/html_promo.rb
+++ b/lib/sisu/v5/html_promo.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_HTML_Promo
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Ad
     def initialize(md)
diff --git a/lib/sisu/v5/html_tune.rb b/lib/sisu/v5/html_tune.rb
index 39cbb708..1a2c9dee 100644
--- a/lib/sisu/v5/html_tune.rb
+++ b/lib/sisu/v5/html_tune.rb
@@ -60,9 +60,9 @@
  ** Description: html generation, html pre-processing
 
 =end
-require_relative 'param'
+require_relative 'dp'                                   # dp.rb
 module SiSU_HTML_Tune
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   require_relative 'html_format'                        # html_format.rb #watch
   @@line_mode=''
diff --git a/lib/sisu/v5/hub.rb b/lib/sisu/v5/hub.rb
index 510e2092..785da84d 100644
--- a/lib/sisu/v5/hub.rb
+++ b/lib/sisu/v5/hub.rb
@@ -63,11 +63,11 @@
 =end
 module SiSU
   require_relative 'constants'                         # constants.rb
-  require_relative 'sysenv'                            # sysenv.rb
+  require_relative 'se'                                # se.rb
     include SiSU_Env
     include SiSU_Screen
-  require_relative 'options'                           # options.rb
-  require_relative 'param'                             # param.rb
+  require_relative 'hub_options'                       # hub_options.rb
+  require_relative 'dp'                                # dp.rb
     include SiSU_Param
   require_relative 'defaults'                          # defaults.rb
     include SiSU_Viz
@@ -599,10 +599,10 @@ module SiSU
       else
       end
       if @opt.act[:urls_selected][:set]==:on           #% --sitemap, -Y
-       require_relative 'urls'
-       OptionLoopFiles.new(@opt).loop_files_on_given_option do
-         SiSU_Urls::Source.new(@opt).read              #% -u -v -V -M
-       end
+        require_relative 'urls'
+        OptionLoopFiles.new(@opt).loop_files_on_given_option do
+          SiSU_Urls::Source.new(@opt).read              #% -u -v -V -M
+        end
       end
     end
     def do_initialization
diff --git a/lib/sisu/v6/options.rb b/lib/sisu/v5/hub_options.rb
index b73dd87c..f851b985 100644
--- a/lib/sisu/v6/options.rb
+++ b/lib/sisu/v5/hub_options.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/options.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/hub_options.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -67,8 +67,8 @@ module SiSU_Commandline
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pathname NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
-  require_relative 'param_make'                         # param_make.rb
+  require_relative 'se'                                 # se.rb
+  require_relative 'dp_make'                            # dp_make.rb
   class HeaderCommon
     def sisu_document_make_instructions(make_instruct_array=:nil)
       @pagenew=
@@ -1394,6 +1394,6 @@ module SiSU_Commandline
   end
 end
 __END__
-note usually named @opt is carried in Param (usually as @md.opt), @opt is a
+note usually named @opt is carried in dp document parameters (usually as @md.opt), @opt is a
 subset of @md where @md is passed, contents of @opt are available as @md.opt
 passing @opt as well is duplication check for fns & fnb
diff --git a/lib/sisu/v5/manifest.rb b/lib/sisu/v5/manifest.rb
index 1afe1deb..f2a9e748 100644
--- a/lib/sisu/v5/manifest.rb
+++ b/lib/sisu/v5/manifest.rb
@@ -61,15 +61,15 @@
 
 =end
 module SiSU_Manifest
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'prog_text_translation'              # prog_text_translation.rb
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'html_minitoc'                       # html_minitoc.rb
   require_relative 'html'                               # html.rb
     include SiSU_HTML_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'i18n'                               # i18n.rb
   include SiSU_Viz
diff --git a/lib/sisu/v5/manpage.rb b/lib/sisu/v5/manpage.rb
index a59ba835..0bcf1799 100644
--- a/lib/sisu/v5/manpage.rb
+++ b/lib/sisu/v5/manpage.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Manpage
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   include SiSU_Viz
diff --git a/lib/sisu/v5/manpage_format.rb b/lib/sisu/v5/manpage_format.rb
index 7a9ea98b..c46a3c7b 100644
--- a/lib/sisu/v5/manpage_format.rb
+++ b/lib/sisu/v5/manpage_format.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_ManpageFormat
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v5/po4a.rb b/lib/sisu/v5/po4a.rb
index 3b800e83..b5086eb7 100644
--- a/lib/sisu/v5/po4a.rb
+++ b/lib/sisu/v5/po4a.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Po4a
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao_composite'                       # ao_composite.rb
   require_relative 'shared_metadata'                    # shared_metadata.rb
diff --git a/lib/sisu/v5/prog_text_translation.rb b/lib/sisu/v5/prog_text_translation.rb
index 98319960..9a7db086 100644
--- a/lib/sisu/v5/prog_text_translation.rb
+++ b/lib/sisu/v5/prog_text_translation.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Translate
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Param
   class Source
     def initialize(md,doc_lang,trans_str='')
diff --git a/lib/sisu/v5/qrcode.rb b/lib/sisu/v5/qrcode.rb
index f6fd78bf..19d310c1 100644
--- a/lib/sisu/v5/qrcode.rb
+++ b/lib/sisu/v5/qrcode.rb
@@ -61,13 +61,13 @@
 
 =end
 module SiSU_QRcode
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'prog_text_translation'              # prog_text_translation.rb
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'html'                               # html.rb
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'i18n'                               # i18n.rb
   include SiSU_Viz
diff --git a/lib/sisu/v5/relaxng.rb b/lib/sisu/v5/relaxng.rb
index f6e86470..ebef4a31 100644
--- a/lib/sisu/v5/relaxng.rb
+++ b/lib/sisu/v5/relaxng.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Relaxng
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class RelaxNG
     def gpl3_or_later
       @gpl3_or_later =<<RELAXNG
diff --git a/lib/sisu/v5/remote.rb b/lib/sisu/v5/remote.rb
index 672eff9e..1a1a9f0a 100644
--- a/lib/sisu/v5/remote.rb
+++ b/lib/sisu/v5/remote.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Remote
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Put
     def initialize(opt)
diff --git a/lib/sisu/v5/rexml.rb b/lib/sisu/v5/rexml.rb
index f7a2c968..c4512872 100644
--- a/lib/sisu/v5/rexml.rb
+++ b/lib/sisu/v5/rexml.rb
@@ -67,9 +67,9 @@ module SiSU_Rexml
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('rexml/document NOT FOUND (LoadError)')
   end
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Viz
   class Rexml
diff --git a/lib/sisu/v5/sysenv.rb b/lib/sisu/v5/se.rb
index 0d67733f..cefd45d5 100644
--- a/lib/sisu/v5/sysenv.rb
+++ b/lib/sisu/v5/se.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/sysenv.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/se.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -156,7 +156,7 @@ module SiSU_Env
   end
 end
 module SiSU_Screen
-  require_relative 'screen_text_color'                  # screen_text_color.rb
+  require_relative 'utils_screen_text_color'               # utils_screen_text_color.rb
 end
 module SiSU_Errors
   require_relative 'errors'                             # errors.rb
diff --git a/lib/sisu/v5/se_createsite.rb b/lib/sisu/v5/se_createsite.rb
index 42d86aad..33e334ce 100644
--- a/lib/sisu/v5/se_createsite.rb
+++ b/lib/sisu/v5/se_createsite.rb
@@ -63,7 +63,7 @@
 module SiSU_Create_Site
   require_relative 'constants'                             # constants.rb
   require_relative 'utils'                                 # utils.rb
-  require_relative 'screen_text_color'                     # screen_text_color.rb
+  require_relative 'utils_screen_text_color'               # utils_screen_text_color.rb
   require_relative 'se_info_env'                           # se_info_env.rb
   begin
     require 'fileutils'
diff --git a/lib/sisu/v5/se_filemap.rb b/lib/sisu/v5/se_filemap.rb
index 99de4a0c..0c4c84c0 100644
--- a/lib/sisu/v5/se_filemap.rb
+++ b/lib/sisu/v5/se_filemap.rb
@@ -145,7 +145,7 @@ module SiSU_File_Map
             ft << @md.fn[:xml_scaffold_structure_collapse]
           end
           @fnb=@md.fnb
-        else   # still needed where/when param is not parsed
+        else   # still needed where/when dp document param is not parsed
           if @opt.act[:html][:set]==:on                    #% --html, -h -H
             ft << '.html' << '.html.??'
           end
diff --git a/lib/sisu/v5/particulars.rb b/lib/sisu/v5/se_hub_particulars.rb
index 6efbc94c..4372ac72 100644
--- a/lib/sisu/v5/particulars.rb
+++ b/lib/sisu/v5/se_hub_particulars.rb
@@ -52,7 +52,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/particulars.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/se_hub_particulars.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -67,9 +67,9 @@ module SiSU_Particulars
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('singleton NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao'                                 # ao.rb
   class CombinedSingleton
diff --git a/lib/sisu/v5/shared_images.rb b/lib/sisu/v5/shared_images.rb
index e307eba3..c1e9abdc 100644
--- a/lib/sisu/v5/shared_images.rb
+++ b/lib/sisu/v5/shared_images.rb
@@ -60,7 +60,7 @@
  ** Description: common file for xml generation
 =end
 module SiSU_Images
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   class Source
     def initialize(opt)
       @particulars=SiSU_Particulars::CombinedSingleton.instance.get_all(opt)
diff --git a/lib/sisu/v5/shared_sem.rb b/lib/sisu/v5/shared_sem.rb
index 860457bb..6ddc3f45 100644
--- a/lib/sisu/v5/shared_sem.rb
+++ b/lib/sisu/v5/shared_sem.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_Sem
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
   class Tags
     def initialize(para,md)
       @para,@md=para,md
diff --git a/lib/sisu/v5/sitemaps.rb b/lib/sisu/v5/sitemaps.rb
index b76d2d60..2d157096 100644
--- a/lib/sisu/v5/sitemaps.rb
+++ b/lib/sisu/v5/sitemaps.rb
@@ -57,13 +57,13 @@
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: sitemap created from parameters extracted from input file(s)
+ ** Description: sitemap created from document parameters
 
 =end
 module SiSU_Sitemaps
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v5/src_kdissert_share.rb b/lib/sisu/v5/src_kdissert_share.rb
index abf2f2d1..e67d4249 100644
--- a/lib/sisu/v5/src_kdissert_share.rb
+++ b/lib/sisu/v5/src_kdissert_share.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_KdiSource
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     begin
diff --git a/lib/sisu/v5/src_share.rb b/lib/sisu/v5/src_share.rb
index f78b922f..be789e00 100644
--- a/lib/sisu/v5/src_share.rb
+++ b/lib/sisu/v5/src_share.rb
@@ -63,7 +63,7 @@
 module SiSU_Markup
   require_relative 'src_shared'                         # src_shared.rb
     include SiSU_Source
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source < SiSU_Source::SiSUpodSource
     def initialize(opt,build=nil,place=nil)
diff --git a/lib/sisu/v5/src_shared.rb b/lib/sisu/v5/src_shared.rb
index 068120f5..2f6f8305 100644
--- a/lib/sisu/v5/src_shared.rb
+++ b/lib/sisu/v5/src_shared.rb
@@ -63,8 +63,8 @@
 module SiSU_Source
   include SiSU_Env
   class SiSUpodSource
-    require_relative 'sysenv'                           # sysenv.rb
-    require_relative 'particulars'                      # particulars.rb
+    require_relative 'se'                               # se.rb
+    require_relative 'se_hub_particulars'               # se_hub_particulars.rb
     def initialize(opt,build=nil,place=nil)
       @opt=opt
       @date=SiSU_Env::InfoDate.new.dt
diff --git a/lib/sisu/v5/src_sisupod_make.rb b/lib/sisu/v5/src_sisupod_make.rb
index 5dd8f038..fa5b6560 100644
--- a/lib/sisu/v5/src_sisupod_make.rb
+++ b/lib/sisu/v5/src_sisupod_make.rb
@@ -63,10 +63,10 @@
 module SiSU_Doc
   require_relative 'src_shared'                         # scr_shared.rb
     include SiSU_Source
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source < SiSU_Source::SiSUpodSource
-    require_relative 'response'                         # response.rb
+    require_relative 'utils_response'                   # utils_response.rb
     def initialize(opt,build=nil,place=nil)
       super(opt,build,place)
       @zipfile=@opt.fno.gsub(/(?:\~\S{2,3})?(\.ss[tm])$/,'\1')
diff --git a/lib/sisu/v5/sst_convert_markup.rb b/lib/sisu/v5/sst_convert_markup.rb
index cdceba7c..6002e2fc 100644
--- a/lib/sisu/v5/sst_convert_markup.rb
+++ b/lib/sisu/v5/sst_convert_markup.rb
@@ -65,7 +65,7 @@
 module SiSU_Modify
   require_relative 'sst_identify_markup'                # sst_identify_markup.rb
   require_relative 'sst_from_xml'                       # sst_from_xml.rb
-  require_relative 'response'                           # response.rb
+  require_relative 'utils_response'                     # utils_response.rb
   class ConvertMarkup
     def initialize(opt)
       @opt=opt
@@ -311,7 +311,7 @@ WOK
   end
 end
 #%% files to match for this conversion set  ------------------------->
-require_relative 'options'                              # options.rb
+require_relative 'hub_options'                          # hub_options.rb
 argv=$*
 base_path=Dir.pwd
 @opt=SiSU_Commandline::Options.new(argv,base_path)
diff --git a/lib/sisu/v5/sst_do_inline_footnotes.rb b/lib/sisu/v5/sst_do_inline_footnotes.rb
index ac4c63d5..c3340fbd 100644
--- a/lib/sisu/v5/sst_do_inline_footnotes.rb
+++ b/lib/sisu/v5/sst_do_inline_footnotes.rb
@@ -64,9 +64,9 @@
 module SiSU_ConvertFootnotes
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao_syntax'                          # ao_syntax.rb
     include SiSU_AO_Syntax
@@ -277,7 +277,7 @@ module SiSU_ConvertFootnotes
       data=@data
       tuned_file=[]
       data.each do |para|
-        if @md.markup =~/0\.16|0\.37/                                    #parameters not extracted/available
+        if @md.markup =~/0\.16|0\.37/                   #parameters not extracted/available
           para.gsub!(/^0~\S+\s+/,'@\1: ')
           para.gsub!(/^1~/,':A~')
           para.gsub!(/^2~/,':B~')
diff --git a/lib/sisu/v5/sst_from_xml.rb b/lib/sisu/v5/sst_from_xml.rb
index 7ae4b446..b6fccd92 100644
--- a/lib/sisu/v5/sst_from_xml.rb
+++ b/lib/sisu/v5/sst_from_xml.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_sstFromXML
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class Convert
     begin
       require 'rexml/document'
diff --git a/lib/sisu/v5/sst_to_s_xml_sax.rb b/lib/sisu/v5/sst_to_s_xml_sax.rb
index acb3ac40..fe685983 100644
--- a/lib/sisu/v5/sst_to_s_xml_sax.rb
+++ b/lib/sisu/v5/sst_to_s_xml_sax.rb
@@ -61,13 +61,13 @@
 
 =end
 module SiSU_SimpleXML_ModelSax
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao_doc_str'                         # ao_doc_str.rb
   require_relative 'xml_shared'                         # xml_shared.rb
diff --git a/lib/sisu/v5/termsheet.rb b/lib/sisu/v5/termsheet.rb
index 7e8a2a30..a3fe308d 100644
--- a/lib/sisu/v5/termsheet.rb
+++ b/lib/sisu/v5/termsheet.rb
@@ -62,8 +62,8 @@
       sample files must be provided - (saved till later as may confuse)
 
 =end
-require_relative 'sysenv'                               # sysenv.rb
-require_relative 'param'                                # param.rb
+require_relative 'se'                                   # se.rb
+require_relative 'dp'                                   # dp.rb
   include SiSU_Param
 @do,@done,@used,@html_output,@txt_input,@txt_output,@@report=Array.new(7){[]}
 @@info=nil
@@ -123,7 +123,7 @@ WOK
   @@report << @done << @used << "\n"
   @done,@used=[],[]
 end
-require_relative 'param'                                # param.rb
+require_relative 'dp'                                   # dp.rb
 @argv=$*
 @proc="#{@argv[0].to_s}"
 if @proc =~  /^-?[wft]/
diff --git a/lib/sisu/v5/texinfo.rb b/lib/sisu/v5/texinfo.rb
index 4c25c1ed..e792a989 100644
--- a/lib/sisu/v5/texinfo.rb
+++ b/lib/sisu/v5/texinfo.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_TexInfo
   require_relative 'html'                               # html.rb
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   #include Stamp ... needed removed arbitrarily 2005w05/1 (warnings about undefined flags)
diff --git a/lib/sisu/v5/texinfo_format.rb b/lib/sisu/v5/texinfo_format.rb
index 4286f50b..5bc41442 100644
--- a/lib/sisu/v5/texinfo_format.rb
+++ b/lib/sisu/v5/texinfo_format.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_TexInfoFormat
   @@table_pg_break_counter=1
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class Texinfo
diff --git a/lib/sisu/v5/texpdf.rb b/lib/sisu/v5/texpdf.rb
index 8d6a01c5..b5d36602 100644
--- a/lib/sisu/v5/texpdf.rb
+++ b/lib/sisu/v5/texpdf.rb
@@ -68,7 +68,7 @@ module SiSU_TeX
   end
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'texpdf_format'                      # texpdf_format.rb
     include SiSU_TeX_Pdf
@@ -87,7 +87,7 @@ module SiSU_TeX
     rescue LoadError
       SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
     end
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
       include SiSU_Env
     include SiSU_Viz
     require_relative 'ao'                               # ao.rb
diff --git a/lib/sisu/v5/txt_asciidoc.rb b/lib/sisu/v5/txt_asciidoc.rb
index 7ca3cc85..43e49f7b 100644
--- a/lib/sisu/v5/txt_asciidoc.rb
+++ b/lib/sisu/v5/txt_asciidoc.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_AsciiDoc
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v5/txt_markdown.rb b/lib/sisu/v5/txt_markdown.rb
index 69bedbc5..1e4326a3 100644
--- a/lib/sisu/v5/txt_markdown.rb
+++ b/lib/sisu/v5/txt_markdown.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_Markdown
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v5/txt_plain.rb b/lib/sisu/v5/txt_plain.rb
index 824d29c8..2f3cc134 100644
--- a/lib/sisu/v5/txt_plain.rb
+++ b/lib/sisu/v5/txt_plain.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Txt_Plain
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v5/txt_rst.rb b/lib/sisu/v5/txt_rst.rb
index c3978b06..f00c9e9c 100644
--- a/lib/sisu/v5/txt_rst.rb
+++ b/lib/sisu/v5/txt_rst.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_rST
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v5/txt_textile.rb b/lib/sisu/v5/txt_textile.rb
index f5962b80..65c102fc 100644
--- a/lib/sisu/v5/txt_textile.rb
+++ b/lib/sisu/v5/txt_textile.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_Textile
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v5/update.rb b/lib/sisu/v5/update.rb
index a4b6b2b3..2301990a 100644
--- a/lib/sisu/v5/update.rb
+++ b/lib/sisu/v5/update.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_UpdateControlFlag
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   class Check
diff --git a/lib/sisu/v5/urls.rb b/lib/sisu/v5/urls.rb
index cef51ab5..815fe65a 100644
--- a/lib/sisu/v5/urls.rb
+++ b/lib/sisu/v5/urls.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_Urls
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   class Source
     attr_reader :opt
diff --git a/lib/sisu/v6/response.rb b/lib/sisu/v5/utils_response.rb
index a67602f6..88209b2c 100644
--- a/lib/sisu/v6/response.rb
+++ b/lib/sisu/v5/utils_response.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/response.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/utils_response.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v5/screen_text_color.rb b/lib/sisu/v5/utils_screen_text_color.rb
index 42b0c698..42b0c698 100644
--- a/lib/sisu/v5/screen_text_color.rb
+++ b/lib/sisu/v5/utils_screen_text_color.rb
diff --git a/lib/sisu/v5/spell.rb b/lib/sisu/v5/utils_spell.rb
index 69b6da7e..886f6f7f 100644
--- a/lib/sisu/v5/spell.rb
+++ b/lib/sisu/v5/utils_spell.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/spell.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/utils_spell.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v5/webrick.rb b/lib/sisu/v5/webrick.rb
index e43d8cd1..f6ff970b 100644
--- a/lib/sisu/v5/webrick.rb
+++ b/lib/sisu/v5/webrick.rb
@@ -70,7 +70,7 @@ module SiSU_Webserv
     rescue LoadError
       SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('time or webrick NOT FOUND (LoadError)')
     end
-    require_relative 'sysenv'                             # sysenv.rb
+    require_relative 'se'                                 # se.rb
       include SiSU_Env
       include SiSU_Screen
     def initialize
@@ -159,7 +159,7 @@ WOK
       get=Dir.pwd
       brick(@port,get)
     rescue
-      require_relative 'sysenv'                             # sysenv.rb
+      require_relative 'se'                                 # se.rb
       SiSU_Errors::Rescued.new($!,$@,'-W',nil).location do #fix
         __LINE__.to_s + ':' + __FILE__
       end
diff --git a/lib/sisu/v5/wikispeak.rb b/lib/sisu/v5/wikispeak.rb
index e54b8edd..a0fba849 100644
--- a/lib/sisu/v5/wikispeak.rb
+++ b/lib/sisu/v5/wikispeak.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Wikispeak
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   include SiSU_Viz
diff --git a/lib/sisu/v5/xhtml.rb b/lib/sisu/v5/xhtml.rb
index e1efeeaf..4253e8eb 100644
--- a/lib/sisu/v5/xhtml.rb
+++ b/lib/sisu/v5/xhtml.rb
@@ -63,9 +63,9 @@
 module SiSU_XHTML
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v5/xhtml_epub2.rb b/lib/sisu/v5/xhtml_epub2.rb
index d0b4a7dc..9b110497 100644
--- a/lib/sisu/v5/xhtml_epub2.rb
+++ b/lib/sisu/v5/xhtml_epub2.rb
@@ -66,7 +66,7 @@ module SiSU_XHTML_EPUB2
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
   end
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
diff --git a/lib/sisu/v5/xhtml_epub2_concordance.rb b/lib/sisu/v5/xhtml_epub2_concordance.rb
index cb498d0f..447dd72e 100644
--- a/lib/sisu/v5/xhtml_epub2_concordance.rb
+++ b/lib/sisu/v5/xhtml_epub2_concordance.rb
@@ -62,9 +62,9 @@
 
 =end
 module SiSU_XHTML_EPUB2_Concordance
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
@@ -157,7 +157,7 @@ WOK
         include SiSU_Viz
       require_relative 'xhtml_epub2_format'             # xhtml_epub2_format.rb
         include SiSU_XHTML_EPUB2_Format
-      require_relative 'sysenv'                         # sysenv.rb
+      require_relative 'se'                             # se.rb
         include SiSU_Screen
       def initialize(particulars)
         @particulars=particulars
diff --git a/lib/sisu/v5/xhtml_epub2_tune.rb b/lib/sisu/v5/xhtml_epub2_tune.rb
index db234a19..aa748cf6 100644
--- a/lib/sisu/v5/xhtml_epub2_tune.rb
+++ b/lib/sisu/v5/xhtml_epub2_tune.rb
@@ -60,9 +60,9 @@
  ** Description: epub generation, epub pre-processing
 
 =end
-require_relative 'param'
+require_relative 'dp'                                   # dp.rb
 module SiSU_XHTML_EPUB2_Tune
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   require_relative 'xhtml_epub2_format'                 # xhtml_epub2_format.rb #watch
   @@line_mode=''
diff --git a/lib/sisu/v5/xml_docbook5.rb b/lib/sisu/v5/xml_docbook5.rb
index 0870c06e..8132a356 100644
--- a/lib/sisu/v5/xml_docbook5.rb
+++ b/lib/sisu/v5/xml_docbook5.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Docbook_Book
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'txt_shared'                         # txt_shared.rb
     include SiSU_TextUtils
diff --git a/lib/sisu/v5/xml_dom.rb b/lib/sisu/v5/xml_dom.rb
index b51a317a..a602eee3 100644
--- a/lib/sisu/v5/xml_dom.rb
+++ b/lib/sisu/v5/xml_dom.rb
@@ -63,9 +63,9 @@
 module SiSU_XML_DOM
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao'                                 # ao.rb
   require_relative 'xml_shared'                         # xml_shared.rb
diff --git a/lib/sisu/v5/xml_fictionbook2.rb b/lib/sisu/v5/xml_fictionbook2.rb
index 997f0b0a..74afc6ad 100644
--- a/lib/sisu/v5/xml_fictionbook2.rb
+++ b/lib/sisu/v5/xml_fictionbook2.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Fictionbook
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'txt_shared'                         # txt_shared.rb
     include SiSU_TextUtils
diff --git a/lib/sisu/v5/xml_format.rb b/lib/sisu/v5/xml_format.rb
index 7694f56b..871ec487 100644
--- a/lib/sisu/v5/xml_format.rb
+++ b/lib/sisu/v5/xml_format.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_XML_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v5/xml_md_oai_pmh_dc.rb b/lib/sisu/v5/xml_md_oai_pmh_dc.rb
index 7ec83ff2..9279ba11 100644
--- a/lib/sisu/v5/xml_md_oai_pmh_dc.rb
+++ b/lib/sisu/v5/xml_md_oai_pmh_dc.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_XML_Metadata
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   class OAI_PMH
     def initialize(opt)
diff --git a/lib/sisu/v5/xml_odf_odt.rb b/lib/sisu/v5/xml_odf_odt.rb
index df71ce81..55c8d7ed 100644
--- a/lib/sisu/v5/xml_odf_odt.rb
+++ b/lib/sisu/v5/xml_odf_odt.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_ODF_ODT
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Viz
   require_relative 'xml_odf_odt_format'                 # xml_odf_odt_format.rb
diff --git a/lib/sisu/v5/xml_odf_odt_format.rb b/lib/sisu/v5/xml_odf_odt_format.rb
index b56e4284..bfbd075c 100644
--- a/lib/sisu/v5/xml_odf_odt_format.rb
+++ b/lib/sisu/v5/xml_odf_odt_format.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_XML_ODF_ODT_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v5/xml_sax.rb b/lib/sisu/v5/xml_sax.rb
index ac2b6d47..58719798 100644
--- a/lib/sisu/v5/xml_sax.rb
+++ b/lib/sisu/v5/xml_sax.rb
@@ -63,9 +63,9 @@
 module SiSU_XML_SAX
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v5/xml_scaffold_structure_collapsed.rb b/lib/sisu/v5/xml_scaffold_structure_collapsed.rb
index 0395d090..f36c937f 100644
--- a/lib/sisu/v5/xml_scaffold_structure_collapsed.rb
+++ b/lib/sisu/v5/xml_scaffold_structure_collapsed.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Scaffold_Structure_Collapse
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v5/xml_scaffold_structure_sisu.rb b/lib/sisu/v5/xml_scaffold_structure_sisu.rb
index 39ca1e6a..44344328 100644
--- a/lib/sisu/v5/xml_scaffold_structure_sisu.rb
+++ b/lib/sisu/v5/xml_scaffold_structure_sisu.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Scaffold_Structure_Sisu
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v5/xml_shared.rb b/lib/sisu/v5/xml_shared.rb
index 77df1a30..bd0e383b 100644
--- a/lib/sisu/v5/xml_shared.rb
+++ b/lib/sisu/v5/xml_shared.rb
@@ -567,7 +567,7 @@ module SiSU_XML_Munge
   end
 end
 module SiSU_XML_Tags #Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class RDF
diff --git a/lib/sisu/v5/zap.rb b/lib/sisu/v5/zap.rb
index 94a9e196..75707247 100644
--- a/lib/sisu/v5/zap.rb
+++ b/lib/sisu/v5/zap.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Zap
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v6/air.rb b/lib/sisu/v6/air.rb
index 2af4038e..11c9445d 100644
--- a/lib/sisu/v6/air.rb
+++ b/lib/sisu/v6/air.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Air
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   class Source
     @@ao_array=[]
     @@fns=nil
diff --git a/lib/sisu/v6/ao.rb b/lib/sisu/v6/ao.rb
index 370bb7e1..9b305b37 100644
--- a/lib/sisu/v6/ao.rb
+++ b/lib/sisu/v6/ao.rb
@@ -64,9 +64,9 @@
 module SiSU_AO
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao_doc_objects'                     # ao.rb
   require_relative 'ao_syntax'                          # ao_syntax.rb
diff --git a/lib/sisu/v6/ao_composite.rb b/lib/sisu/v6/ao_composite.rb
index eaa4e08f..bb188f4d 100644
--- a/lib/sisu/v6/ao_composite.rb
+++ b/lib/sisu/v6/ao_composite.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_Assemble
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class RemoteImage
     def initialize
       @env=SiSU_Env::InfoEnv.new
diff --git a/lib/sisu/v6/cgi.rb b/lib/sisu/v6/cgi.rb
index a4065344..d7911808 100644
--- a/lib/sisu/v6/cgi.rb
+++ b/lib/sisu/v6/cgi.rb
@@ -61,8 +61,8 @@
     (pgsql sqlite)
 
 =end
-module  SiSU_CGI                                                                 #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+module  SiSU_CGI                                        #% database building documents
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_pgsql'                          # cgi_pgsql.rb
   require_relative 'cgi_sqlite'                         # cgi_sqlite.rb
   class SearchSQL
diff --git a/lib/sisu/v6/cgi_pgsql.rb b/lib/sisu/v6/cgi_pgsql.rb
index 38b5c09f..09ded270 100644
--- a/lib/sisu/v6/cgi_pgsql.rb
+++ b/lib/sisu/v6/cgi_pgsql.rb
@@ -60,8 +60,8 @@
  ** Description: generates naive cgi search form for search of sisu database (pgsql)
 
 =end
-module  SiSU_CGI_PgSQL                                                            #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+module  SiSU_CGI_PgSQL                                  #% database building documents
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_sql_common'                     # cgi_sql_common.rb
     include SiSU_CGI_SQL
   class SearchPgSQL < CGI_Common
diff --git a/lib/sisu/v6/cgi_sqlite.rb b/lib/sisu/v6/cgi_sqlite.rb
index 8cf01d3e..722d9033 100644
--- a/lib/sisu/v6/cgi_sqlite.rb
+++ b/lib/sisu/v6/cgi_sqlite.rb
@@ -60,8 +60,8 @@
  ** Description: generates naive cgi search form for search of sisu database (sqlite)
 
 =end
-module  SiSU_CGI_SQLite                                                            #% database building documents
-  require_relative 'sysenv'                             # sysenv.rb
+module  SiSU_CGI_SQLite                                 #% database building documents
+  require_relative 'se'                                 # se.rb
   require_relative 'cgi_sql_common'                     # cgi_sql_common.rb
     include SiSU_CGI_SQL
   class SearchSQLite < CGI_Common
diff --git a/lib/sisu/v6/conf.rb b/lib/sisu/v6/conf.rb
index b3a5375e..2f29902f 100644
--- a/lib/sisu/v6/conf.rb
+++ b/lib/sisu/v6/conf.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Initialize
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
     include SiSU_Screen
   require_relative 'relaxng'                            # relaxng.rb
@@ -82,7 +82,7 @@ module SiSU_Initialize
     end
   end
   class ConfigSite #config files such as css are not updated if they already exist unless forced using the --init=site modifier
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
     def initialize(opt)
       @opt=opt
       @env=SiSU_Env::InfoEnv.new(@opt.fns)
diff --git a/lib/sisu/v6/css.rb b/lib/sisu/v6/css.rb
index b59458ee..a2c75d3c 100644
--- a/lib/sisu/v6/css.rb
+++ b/lib/sisu/v6/css.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Style
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'defaults'                           # defaults.rb
   class CSS_HeadInfo
     def initialize(md,ft='html')
diff --git a/lib/sisu/v6/db_columns.rb b/lib/sisu/v6/db_columns.rb
index f7db347e..d9eda1d7 100644
--- a/lib/sisu/v6/db_columns.rb
+++ b/lib/sisu/v6/db_columns.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_DbColumns
-  require_relative 'sysenv'                            # sysenv.rb
+  require_relative 'se'                                # se.rb
   require_relative 'db_sqltxt'                         # db_sqltxt.rb
   class Columns < SiSU_DbText::Prepare
     def initialize(md=nil)
diff --git a/lib/sisu/v6/db_create.rb b/lib/sisu/v6/db_create.rb
index e9e6aa40..4d551ee2 100644
--- a/lib/sisu/v6/db_create.rb
+++ b/lib/sisu/v6/db_create.rb
@@ -64,7 +64,7 @@
 module SiSU_DbCreate
   require_relative 'db_columns'                         # db_columns.rb
   class Create < SiSU_DbColumns::Columns
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
     @@dl=nil
     def initialize(opt,conn,file,sql_type=:pg)
       @opt,@conn,@file,@sql_type=opt,conn,file,sql_type
diff --git a/lib/sisu/v6/db_drop.rb b/lib/sisu/v6/db_drop.rb
index e93d2889..3363746a 100644
--- a/lib/sisu/v6/db_drop.rb
+++ b/lib/sisu/v6/db_drop.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_DbDrop
   class Drop
-    require_relative 'response'                          # response.rb
+    require_relative 'utils_response'                   # utils_response.rb
     def initialize(opt,conn,db_info,sql_type)
       @opt,@conn,@db_info,@sql_type=opt,conn,db_info,sql_type
       @ans=SiSU_Response::Response.new
diff --git a/lib/sisu/v6/db_load_tuple.rb b/lib/sisu/v6/db_load_tuple.rb
index c4740259..46d29896 100644
--- a/lib/sisu/v6/db_load_tuple.rb
+++ b/lib/sisu/v6/db_load_tuple.rb
@@ -64,7 +64,7 @@
 module SiSU_DbTuple
   require_relative 'db_columns'                         # db_columns.rb
   class LoadDocuments
-    require_relative 'param'                            # param.rb
+    require_relative 'dp'                               # dp.rb
       include SiSU_Param
     def initialize(conn,col,opt,file_maint)
       @conn,@col,@opt,@file_maint=conn,col,opt,file_maint
diff --git a/lib/sisu/v6/dbi.rb b/lib/sisu/v6/dbi.rb
index 5880aa1a..be684ab5 100644
--- a/lib/sisu/v6/dbi.rb
+++ b/lib/sisu/v6/dbi.rb
@@ -61,9 +61,9 @@
 
 =end
 module  SiSU_DBI                                                                 #% database building
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'db_dbi'                             # db_dbi.rb
     include SiSU_DbDBI
diff --git a/lib/sisu/v6/dbi_discrete.rb b/lib/sisu/v6/dbi_discrete.rb
index fc5c310f..ee0737fe 100644
--- a/lib/sisu/v6/dbi_discrete.rb
+++ b/lib/sisu/v6/dbi_discrete.rb
@@ -61,9 +61,9 @@
 
 =end
 module  SiSU_DBI_Discrete                               #% database building
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'db_dbi'                             # db_dbi.rb
     include SiSU_DbDBI
diff --git a/lib/sisu/v6/defaults.rb b/lib/sisu/v6/defaults.rb
index a26edae9..c725b11d 100644
--- a/lib/sisu/v6/defaults.rb
+++ b/lib/sisu/v6/defaults.rb
@@ -67,7 +67,7 @@ module SiSU_Viz
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('uri NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'css'                                # css.rb
     include SiSU_Style
diff --git a/lib/sisu/v6/digests.rb b/lib/sisu/v6/digests.rb
index c7a6d3c1..5450f7b3 100644
--- a/lib/sisu/v6/digests.rb
+++ b/lib/sisu/v6/digests.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_DigestView
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   require_relative 'prog_text_translation'              # prog_text_translation.rb
   require_relative 'shared_markup_alt.rb'               # shared_markup_alt.rb
   class Source
diff --git a/lib/sisu/v6/param.rb b/lib/sisu/v6/dp.rb
index 25b50ba8..499e582f 100644
--- a/lib/sisu/v6/param.rb
+++ b/lib/sisu/v6/dp.rb
@@ -51,13 +51,13 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/param.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/dp.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: parameters extracted from input file(s) for program use
+ ** Description: document parameters extracted from input files for program use
 
 =end
 module SiSU_Param
@@ -68,10 +68,10 @@ module SiSU_Param
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
       error('uri or pstore NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param_make'                         # param_make.rb
-  require_relative 'param_identify_markup'              # param_identify_markup.rb
+  require_relative 'dp_make'                            # dp_make.rb
+  require_relative 'dp_identify_markup'                 # dp_identify_markup.rb
   @@date=SiSU_Env::InfoDate.new
   @@proc=
     @@filename_txt=
@@ -1162,7 +1162,7 @@ module SiSU_Param
                 gsub(/~\{.+?\}~/,'')
               SiSU_Screen::Ansi.new(
                 @opt.act[:color_state][:set],
-                'Parameters',
+                'Document Parameters',
                 %{#{title}#{creator}}
               ).txt_grey if @opt.act[:verbose][:set]==:on
             end
diff --git a/lib/sisu/v6/param_identify_markup.rb b/lib/sisu/v6/dp_identify_markup.rb
index 87879e79..0281832a 100644
--- a/lib/sisu/v6/param_identify_markup.rb
+++ b/lib/sisu/v6/dp_identify_markup.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/param_identify_markup.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/dp_identify_markup.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v6/param_make.rb b/lib/sisu/v6/dp_make.rb
index 50c9551d..0dacd517 100644
--- a/lib/sisu/v6/param_make.rb
+++ b/lib/sisu/v6/dp_make.rb
@@ -51,13 +51,13 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/param_make.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/dp_make.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: make parameters extracted for program use
+ ** Description: document parameters make extracted for program use
 
 =end
 
diff --git a/lib/sisu/v6/embedded.rb b/lib/sisu/v6/embedded.rb
index cf294891..2405f9e7 100644
--- a/lib/sisu/v6/embedded.rb
+++ b/lib/sisu/v6/embedded.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_Embedded
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v6/errors.rb b/lib/sisu/v6/errors.rb
index fb5117ec..4fb18f4e 100644
--- a/lib/sisu/v6/errors.rb
+++ b/lib/sisu/v6/errors.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Errors
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   class Rescued <CreateFile
     def initialize(error,errorlist,cmd,fns='')
diff --git a/lib/sisu/v6/git.rb b/lib/sisu/v6/git.rb
index d58ae566..80601b53 100644
--- a/lib/sisu/v6/git.rb
+++ b/lib/sisu/v6/git.rb
@@ -61,8 +61,8 @@
 
 =end
 module SiSU_Git
-  require_relative 'param'                              # param.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'dp'                                 # dp.rb
+  require_relative 'se'                                 # se.rb
   require_relative 'ao'                                 # ao.rb
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v6/harvest.rb b/lib/sisu/v6/harvest.rb
index be0efe1a..2bd2fc61 100644
--- a/lib/sisu/v6/harvest.rb
+++ b/lib/sisu/v6/harvest.rb
@@ -65,10 +65,10 @@
 module SiSU_Harvest
   @@the_idx_topics,@@the_idx_authors={},{}
   class Source
-    require_relative 'options'                              # options.rb
+    require_relative 'hub_options'                          # hub_options.rb
     require_relative 'harvest_topics'                       # harvest_topics.rb
     require_relative 'harvest_authors'                      # harvest_authors.rb
-    require_relative 'sysenv'                               # sysenv.rb
+    require_relative 'se'                                   # se.rb
       include SiSU_Env
     def initialize(opt)
       @opt=opt
diff --git a/lib/sisu/v6/author_format.rb b/lib/sisu/v6/harvest_author_format.rb
index 7b791bd7..7b889971 100644
--- a/lib/sisu/v6/author_format.rb
+++ b/lib/sisu/v6/harvest_author_format.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/author_format.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/harvest_author_format.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v6/harvest_authors.rb b/lib/sisu/v6/harvest_authors.rb
index c84634b5..15c65813 100644
--- a/lib/sisu/v6/harvest_authors.rb
+++ b/lib/sisu/v6/harvest_authors.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_HarvestAuthors
-  require_relative 'author_format'                      # author_format.rb
+  require_relative 'harvest_author_format'              # harvest_author_format.rb
   class Songsheet
     @@the_idx_authors={}
     def initialize(opt,env)
diff --git a/lib/sisu/v6/harvest_topics.rb b/lib/sisu/v6/harvest_topics.rb
index e17b8424..c827bbbf 100644
--- a/lib/sisu/v6/harvest_topics.rb
+++ b/lib/sisu/v6/harvest_topics.rb
@@ -63,7 +63,7 @@
 
 =end
 module SiSU_HarvestTopics
-  require_relative 'author_format'                      # author_format.rb
+  require_relative 'harvest_author_format'              # harvest_author_format.rb
   include SiSU_Viz
   class Songsheet
     @@the_idx_topics={}
diff --git a/lib/sisu/v6/html.rb b/lib/sisu/v6/html.rb
index 1f6b787d..581c3e5e 100644
--- a/lib/sisu/v6/html.rb
+++ b/lib/sisu/v6/html.rb
@@ -66,7 +66,7 @@ module SiSU_HTML
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
   end
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
diff --git a/lib/sisu/v6/html_concordance.rb b/lib/sisu/v6/html_concordance.rb
index 0f87ee0b..55bdfb6c 100644
--- a/lib/sisu/v6/html_concordance.rb
+++ b/lib/sisu/v6/html_concordance.rb
@@ -62,9 +62,9 @@
 
 =end
 module SiSU_Concordance
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
@@ -212,7 +212,7 @@ WOK
         include SiSU_Viz
       require_relative 'html_format'                    # html_format.rb
         include SiSU_HTML_Format
-      require_relative 'sysenv'                         # sysenv.rb
+      require_relative 'se'                             # se.rb
         include SiSU_Screen
       @@dp=nil
       def initialize(particulars)
diff --git a/lib/sisu/v6/html_lite_shared.rb b/lib/sisu/v6/html_lite_shared.rb
index 7ae17350..8eace556 100644
--- a/lib/sisu/v6/html_lite_shared.rb
+++ b/lib/sisu/v6/html_lite_shared.rb
@@ -66,7 +66,7 @@ module SiSU_FormatShared
     include SiSU_Viz
   class CSS_Format
     require_relative 'defaults'                         # defaults.rb
-    require_relative 'particulars'                      # particulars.rb
+    require_relative 'se_hub_particulars'               # se_hub_particulars.rb
     @@fns=nil
     def initialize(md,t_o)
       @md,@t_o=md,t_o
diff --git a/lib/sisu/v6/html_promo.rb b/lib/sisu/v6/html_promo.rb
index e2832d3c..c216af9f 100644
--- a/lib/sisu/v6/html_promo.rb
+++ b/lib/sisu/v6/html_promo.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_HTML_Promo
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Ad
     def initialize(md)
diff --git a/lib/sisu/v6/html_tune.rb b/lib/sisu/v6/html_tune.rb
index 42568a36..afd6f604 100644
--- a/lib/sisu/v6/html_tune.rb
+++ b/lib/sisu/v6/html_tune.rb
@@ -60,9 +60,9 @@
  ** Description: html generation, html pre-processing
 
 =end
-require_relative 'param'
+require_relative 'dp'                                   # dp.rb
 module SiSU_HTML_Tune
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   require_relative 'html_format'                        # html_format.rb #watch
   @@line_mode=''
diff --git a/lib/sisu/v6/hub.rb b/lib/sisu/v6/hub.rb
index e061ee46..9ebb42d9 100644
--- a/lib/sisu/v6/hub.rb
+++ b/lib/sisu/v6/hub.rb
@@ -63,11 +63,11 @@
 =end
 module SiSU
   require_relative 'constants'                         # constants.rb
-  require_relative 'sysenv'                            # sysenv.rb
+  require_relative 'se'                                # se.rb
     include SiSU_Env
     include SiSU_Screen
-  require_relative 'options'                           # options.rb
-  require_relative 'param'                             # param.rb
+  require_relative 'hub_options'                       # hub_options.rb
+  require_relative 'dp'                                # dp.rb
     include SiSU_Param
   require_relative 'defaults'                          # defaults.rb
     include SiSU_Viz
@@ -599,10 +599,10 @@ module SiSU
       else
       end
       if @opt.act[:urls_selected][:set]==:on           #% --sitemap, -Y
-       require_relative 'urls'
-       OptionLoopFiles.new(@opt).loop_files_on_given_option do
-         SiSU_Urls::Source.new(@opt).read              #% -u -v -V -M
-       end
+        require_relative 'urls'
+        OptionLoopFiles.new(@opt).loop_files_on_given_option do
+          SiSU_Urls::Source.new(@opt).read              #% -u -v -V -M
+        end
       end
     end
     def do_initialization
diff --git a/lib/sisu/v5/options.rb b/lib/sisu/v6/hub_options.rb
index eede713a..f851b985 100644
--- a/lib/sisu/v5/options.rb
+++ b/lib/sisu/v6/hub_options.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/options.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/hub_options.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -67,8 +67,8 @@ module SiSU_Commandline
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pathname NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
-  require_relative 'param_make'                         # param_make.rb
+  require_relative 'se'                                 # se.rb
+  require_relative 'dp_make'                            # dp_make.rb
   class HeaderCommon
     def sisu_document_make_instructions(make_instruct_array=:nil)
       @pagenew=
@@ -1394,6 +1394,6 @@ module SiSU_Commandline
   end
 end
 __END__
-note usually named @opt is carried in Param (usually as @md.opt), @opt is a
+note usually named @opt is carried in dp document parameters (usually as @md.opt), @opt is a
 subset of @md where @md is passed, contents of @opt are available as @md.opt
 passing @opt as well is duplication check for fns & fnb
diff --git a/lib/sisu/v6/manifest.rb b/lib/sisu/v6/manifest.rb
index 21350938..e38d8424 100644
--- a/lib/sisu/v6/manifest.rb
+++ b/lib/sisu/v6/manifest.rb
@@ -61,15 +61,15 @@
 
 =end
 module SiSU_Manifest
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'prog_text_translation'              # prog_text_translation.rb
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'html_minitoc'                       # html_minitoc.rb
   require_relative 'html'                               # html.rb
     include SiSU_HTML_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'i18n'                               # i18n.rb
   include SiSU_Viz
diff --git a/lib/sisu/v6/manpage.rb b/lib/sisu/v6/manpage.rb
index 4f2bb803..d3192eb9 100644
--- a/lib/sisu/v6/manpage.rb
+++ b/lib/sisu/v6/manpage.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Manpage
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   include SiSU_Viz
diff --git a/lib/sisu/v6/manpage_format.rb b/lib/sisu/v6/manpage_format.rb
index 1bb0e423..b64911e7 100644
--- a/lib/sisu/v6/manpage_format.rb
+++ b/lib/sisu/v6/manpage_format.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_ManpageFormat
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v6/po4a.rb b/lib/sisu/v6/po4a.rb
index c4e074ec..0e7f91b0 100644
--- a/lib/sisu/v6/po4a.rb
+++ b/lib/sisu/v6/po4a.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Po4a
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao_composite'                       # ao_composite.rb
   require_relative 'shared_metadata'                    # shared_metadata.rb
diff --git a/lib/sisu/v6/prog_text_translation.rb b/lib/sisu/v6/prog_text_translation.rb
index 177f17b9..6a82f3de 100644
--- a/lib/sisu/v6/prog_text_translation.rb
+++ b/lib/sisu/v6/prog_text_translation.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Translate
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Param
   class Source
     def initialize(md,doc_lang,trans_str='')
diff --git a/lib/sisu/v6/qrcode.rb b/lib/sisu/v6/qrcode.rb
index b9aee5a2..b69769e6 100644
--- a/lib/sisu/v6/qrcode.rb
+++ b/lib/sisu/v6/qrcode.rb
@@ -61,13 +61,13 @@
 
 =end
 module SiSU_QRcode
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'prog_text_translation'              # prog_text_translation.rb
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'html'                               # html.rb
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'i18n'                               # i18n.rb
   include SiSU_Viz
diff --git a/lib/sisu/v6/relaxng.rb b/lib/sisu/v6/relaxng.rb
index 1270ada3..c8d85d44 100644
--- a/lib/sisu/v6/relaxng.rb
+++ b/lib/sisu/v6/relaxng.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Relaxng
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class RelaxNG
     def gpl3_or_later
       @gpl3_or_later =<<RELAXNG
diff --git a/lib/sisu/v6/remote.rb b/lib/sisu/v6/remote.rb
index 54fd144a..3a8b58d0 100644
--- a/lib/sisu/v6/remote.rb
+++ b/lib/sisu/v6/remote.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Remote
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Put
     def initialize(opt)
diff --git a/lib/sisu/v6/rexml.rb b/lib/sisu/v6/rexml.rb
index 7321ebf5..ce6b2ce6 100644
--- a/lib/sisu/v6/rexml.rb
+++ b/lib/sisu/v6/rexml.rb
@@ -67,9 +67,9 @@ module SiSU_Rexml
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('rexml/document NOT FOUND (LoadError)')
   end
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Viz
   class Rexml
diff --git a/lib/sisu/v6/sysenv.rb b/lib/sisu/v6/se.rb
index 26ce7cdf..c79f38b5 100644
--- a/lib/sisu/v6/sysenv.rb
+++ b/lib/sisu/v6/se.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/sysenv.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/se.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -156,7 +156,7 @@ module SiSU_Env
   end
 end
 module SiSU_Screen
-  require_relative 'screen_text_color'                  # screen_text_color.rb
+  require_relative 'utils_screen_text_color'               # utils_screen_text_color.rb
 end
 module SiSU_Errors
   require_relative 'errors'                             # errors.rb
diff --git a/lib/sisu/v6/se_createsite.rb b/lib/sisu/v6/se_createsite.rb
index c35d24d4..7b1046f5 100644
--- a/lib/sisu/v6/se_createsite.rb
+++ b/lib/sisu/v6/se_createsite.rb
@@ -63,7 +63,7 @@
 module SiSU_Create_Site
   require_relative 'constants'                             # constants.rb
   require_relative 'utils'                                 # utils.rb
-  require_relative 'screen_text_color'                     # screen_text_color.rb
+  require_relative 'utils_screen_text_color'               # utils_screen_text_color.rb
   require_relative 'se_info_env'                           # se_info_env.rb
   begin
     require 'fileutils'
diff --git a/lib/sisu/v6/se_filemap.rb b/lib/sisu/v6/se_filemap.rb
index 987f8f4f..88a80954 100644
--- a/lib/sisu/v6/se_filemap.rb
+++ b/lib/sisu/v6/se_filemap.rb
@@ -145,7 +145,7 @@ module SiSU_File_Map
             ft << @md.fn[:xml_scaffold_structure_collapse]
           end
           @fnb=@md.fnb
-        else   # still needed where/when param is not parsed
+        else   # still needed where/when dp document param is not parsed
           if @opt.act[:html][:set]==:on                    #% --html, -h -H
             ft << '.html' << '.html.??'
           end
diff --git a/lib/sisu/v6/particulars.rb b/lib/sisu/v6/se_hub_particulars.rb
index 7e850f4c..99bdf9f6 100644
--- a/lib/sisu/v6/particulars.rb
+++ b/lib/sisu/v6/se_hub_particulars.rb
@@ -52,7 +52,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/particulars.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/se_hub_particulars.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
@@ -67,9 +67,9 @@ module SiSU_Particulars
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('singleton NOT FOUND (LoadError)')
   end
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao'                                 # ao.rb
   class CombinedSingleton
@@ -127,7 +127,7 @@ module SiSU_Particulars
         @md=SiSU_Param::Parameters.new(opt).get
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -138,7 +138,7 @@ module SiSU_Particulars
         @env=SiSU_Env::InfoEnv.new(opt.fns)
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -149,7 +149,7 @@ module SiSU_Particulars
         @file=SiSU_Env::FileOp.new(@md)
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -160,7 +160,7 @@ module SiSU_Particulars
         @ao_array=SiSU_AO::Source.new(opt).get
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -170,7 +170,7 @@ module SiSU_Particulars
         @sst_idx=SiSU_AO::Source.new(opt).get_idx_sst
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -180,7 +180,7 @@ module SiSU_Particulars
         @raw_idx=SiSU_AO::Source.new(opt).get_idx_raw
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -190,7 +190,7 @@ module SiSU_Particulars
         @html_idx=SiSU_AO::Source.new(opt).get_idx_html
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -200,7 +200,7 @@ module SiSU_Particulars
         @xhtml_idx=SiSU_AO::Source.new(opt).get_idx_xhtml
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
@@ -213,11 +213,11 @@ module SiSU_Particulars
         self
       rescue
         if @md
-          SiSU_Errors::Rescued.new($!,$@,@md.opt.cmd,@md.opt.fnl).location do
+          SiSU_Errors::Rescued.new($!,$@,@md.opt.selections.str,@md.opt.fnl).location do
             __LINE__.to_s + ':' + __FILE__
           end
         else
-          SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+          SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
             __LINE__.to_s + ':' + __FILE__
           end
         end
@@ -229,7 +229,7 @@ module SiSU_Particulars
         @ocn_htmlseg_map=SiSU_AO::Source.new(@md).get_map_ocn_htmlseg
         self
       rescue
-        SiSU_Errors::Rescued.new($!,$@,opt.cmd,opt.fnl).location do
+        SiSU_Errors::Rescued.new($!,$@,opt.selections.str,opt.fnl).location do
           __LINE__.to_s + ':' + __FILE__
         end
       end
diff --git a/lib/sisu/v6/shared_images.rb b/lib/sisu/v6/shared_images.rb
index 536a2f21..073ed6d8 100644
--- a/lib/sisu/v6/shared_images.rb
+++ b/lib/sisu/v6/shared_images.rb
@@ -60,7 +60,7 @@
  ** Description: common file for xml generation
 =end
 module SiSU_Images
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
   class Source
     def initialize(opt)
       @particulars=SiSU_Particulars::CombinedSingleton.instance.get_all(opt)
diff --git a/lib/sisu/v6/shared_sem.rb b/lib/sisu/v6/shared_sem.rb
index 02c04a85..26fe5884 100644
--- a/lib/sisu/v6/shared_sem.rb
+++ b/lib/sisu/v6/shared_sem.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_Sem
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
   class Tags
     def initialize(para,md)
       @para,@md=para,md
diff --git a/lib/sisu/v6/sitemaps.rb b/lib/sisu/v6/sitemaps.rb
index 0b19314a..e656693a 100644
--- a/lib/sisu/v6/sitemaps.rb
+++ b/lib/sisu/v6/sitemaps.rb
@@ -57,13 +57,13 @@
    <ralph@amissah.com>
    <ralph.amissah@gmail.com>
 
- ** Description: sitemap created from parameters extracted from input file(s)
+ ** Description: sitemap created from document parameters
 
 =end
 module SiSU_Sitemaps
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v6/src_kdissert_share.rb b/lib/sisu/v6/src_kdissert_share.rb
index 8d6e95fa..ebe761f0 100644
--- a/lib/sisu/v6/src_kdissert_share.rb
+++ b/lib/sisu/v6/src_kdissert_share.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_KdiSource
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     begin
diff --git a/lib/sisu/v6/src_share.rb b/lib/sisu/v6/src_share.rb
index b132038a..c043f42b 100644
--- a/lib/sisu/v6/src_share.rb
+++ b/lib/sisu/v6/src_share.rb
@@ -63,7 +63,7 @@
 module SiSU_Markup
   require_relative 'src_shared'                         # src_shared.rb
     include SiSU_Source
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source < SiSU_Source::SiSUpodSource
     def initialize(opt,build=nil,place=nil)
diff --git a/lib/sisu/v6/src_shared.rb b/lib/sisu/v6/src_shared.rb
index 514e0458..f36bf308 100644
--- a/lib/sisu/v6/src_shared.rb
+++ b/lib/sisu/v6/src_shared.rb
@@ -63,8 +63,8 @@
 module SiSU_Source
   include SiSU_Env
   class SiSUpodSource
-    require_relative 'sysenv'                           # sysenv.rb
-    require_relative 'particulars'                      # particulars.rb
+    require_relative 'se'                               # se.rb
+    require_relative 'se_hub_particulars'               # se_hub_particulars.rb
     def initialize(opt,build=nil,place=nil)
       @opt=opt
       @date=SiSU_Env::InfoDate.new.dt
diff --git a/lib/sisu/v6/src_sisupod_make.rb b/lib/sisu/v6/src_sisupod_make.rb
index a1319e32..57f13e66 100644
--- a/lib/sisu/v6/src_sisupod_make.rb
+++ b/lib/sisu/v6/src_sisupod_make.rb
@@ -63,10 +63,10 @@
 module SiSU_Doc
   require_relative 'src_shared'                         # scr_shared.rb
     include SiSU_Source
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source < SiSU_Source::SiSUpodSource
-    require_relative 'response'                         # response.rb
+    require_relative 'utils_response'                   # utils_response.rb
     def initialize(opt,build=nil,place=nil)
       super(opt,build,place)
       @zipfile=@opt.fno.gsub(/(?:\~\S{2,3})?(\.ss[tm])$/,'\1')
diff --git a/lib/sisu/v6/sst_convert_markup.rb b/lib/sisu/v6/sst_convert_markup.rb
index 8d523d0f..6e73d25f 100644
--- a/lib/sisu/v6/sst_convert_markup.rb
+++ b/lib/sisu/v6/sst_convert_markup.rb
@@ -65,7 +65,7 @@
 module SiSU_Modify
   require_relative 'sst_identify_markup'                # sst_identify_markup.rb
   require_relative 'sst_from_xml'                       # sst_from_xml.rb
-  require_relative 'response'                           # response.rb
+  require_relative 'utils_response'                     # utils_response.rb
   class ConvertMarkup
     def initialize(opt)
       @opt=opt
@@ -311,7 +311,7 @@ WOK
   end
 end
 #%% files to match for this conversion set  ------------------------->
-require_relative 'options'                              # options.rb
+require_relative 'hub_options'                          # hub_options.rb
 argv=$*
 base_path=Dir.pwd
 @opt=SiSU_Commandline::Options.new(argv,base_path)
diff --git a/lib/sisu/v6/sst_do_inline_footnotes.rb b/lib/sisu/v6/sst_do_inline_footnotes.rb
index 7affab1f..afa4ca3a 100644
--- a/lib/sisu/v6/sst_do_inline_footnotes.rb
+++ b/lib/sisu/v6/sst_do_inline_footnotes.rb
@@ -64,9 +64,9 @@
 module SiSU_ConvertFootnotes
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   require_relative 'ao_syntax'                          # ao_syntax.rb
     include SiSU_AO_Syntax
@@ -277,7 +277,7 @@ module SiSU_ConvertFootnotes
       data=@data
       tuned_file=[]
       data.each do |para|
-        if @md.markup =~/0\.16|0\.37/                                    #parameters not extracted/available
+        if @md.markup =~/0\.16|0\.37/                   #parameters not extracted/available
           para.gsub!(/^0~\S+\s+/,'@\1: ')
           para.gsub!(/^1~/,':A~')
           para.gsub!(/^2~/,':B~')
diff --git a/lib/sisu/v6/sst_from_xml.rb b/lib/sisu/v6/sst_from_xml.rb
index 12919a17..56083ff9 100644
--- a/lib/sisu/v6/sst_from_xml.rb
+++ b/lib/sisu/v6/sst_from_xml.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_sstFromXML
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
   class Convert
     begin
       require 'rexml/document'
diff --git a/lib/sisu/v6/sst_to_s_xml_sax.rb b/lib/sisu/v6/sst_to_s_xml_sax.rb
index ecdfb94e..0be6ffa0 100644
--- a/lib/sisu/v6/sst_to_s_xml_sax.rb
+++ b/lib/sisu/v6/sst_to_s_xml_sax.rb
@@ -61,13 +61,13 @@
 
 =end
 module SiSU_SimpleXML_ModelSax
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao_doc_str'                         # ao_doc_str.rb
   require_relative 'xml_shared'                         # xml_shared.rb
diff --git a/lib/sisu/v6/termsheet.rb b/lib/sisu/v6/termsheet.rb
index 834ca819..60202725 100644
--- a/lib/sisu/v6/termsheet.rb
+++ b/lib/sisu/v6/termsheet.rb
@@ -62,8 +62,8 @@
       sample files must be provided - (saved till later as may confuse)
 
 =end
-require_relative 'sysenv'                               # sysenv.rb
-require_relative 'param'                                # param.rb
+require_relative 'se'                                   # se.rb
+require_relative 'dp'                                   # dp.rb
   include SiSU_Param
 @do,@done,@used,@html_output,@txt_input,@txt_output,@@report=Array.new(7){[]}
 @@info=nil
@@ -123,7 +123,7 @@ WOK
   @@report << @done << @used << "\n"
   @done,@used=[],[]
 end
-require_relative 'param'                                # param.rb
+require_relative 'dp'                                   # dp.rb
 @argv=$*
 @proc="#{@argv[0].to_s}"
 if @proc =~  /^-?[wft]/
diff --git a/lib/sisu/v6/texinfo.rb b/lib/sisu/v6/texinfo.rb
index 459d3ac5..718d55e4 100644
--- a/lib/sisu/v6/texinfo.rb
+++ b/lib/sisu/v6/texinfo.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_TexInfo
   require_relative 'html'                               # html.rb
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   #include Stamp ... needed removed arbitrarily 2005w05/1 (warnings about undefined flags)
diff --git a/lib/sisu/v6/texinfo_format.rb b/lib/sisu/v6/texinfo_format.rb
index 884abfcb..66ebbc7b 100644
--- a/lib/sisu/v6/texinfo_format.rb
+++ b/lib/sisu/v6/texinfo_format.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_TexInfoFormat
   @@table_pg_break_counter=1
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class Texinfo
diff --git a/lib/sisu/v6/texpdf.rb b/lib/sisu/v6/texpdf.rb
index 2869c59b..4802614e 100644
--- a/lib/sisu/v6/texpdf.rb
+++ b/lib/sisu/v6/texpdf.rb
@@ -68,7 +68,7 @@ module SiSU_TeX
   end
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'texpdf_format'                      # texpdf_format.rb
     include SiSU_TeX_Pdf
@@ -87,7 +87,7 @@ module SiSU_TeX
     rescue LoadError
       SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
     end
-    require_relative 'sysenv'                           # sysenv.rb
+    require_relative 'se'                               # se.rb
       include SiSU_Env
     include SiSU_Viz
     require_relative 'ao'                               # ao.rb
diff --git a/lib/sisu/v6/txt_asciidoc.rb b/lib/sisu/v6/txt_asciidoc.rb
index fd10b25c..2b4b8927 100644
--- a/lib/sisu/v6/txt_asciidoc.rb
+++ b/lib/sisu/v6/txt_asciidoc.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_AsciiDoc
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v6/txt_markdown.rb b/lib/sisu/v6/txt_markdown.rb
index 1fc488be..f7faf077 100644
--- a/lib/sisu/v6/txt_markdown.rb
+++ b/lib/sisu/v6/txt_markdown.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_Markdown
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v6/txt_plain.rb b/lib/sisu/v6/txt_plain.rb
index 3f54e749..7572b89e 100644
--- a/lib/sisu/v6/txt_plain.rb
+++ b/lib/sisu/v6/txt_plain.rb
@@ -63,7 +63,7 @@
 =end
 module SiSU_Txt_Plain
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v6/txt_rst.rb b/lib/sisu/v6/txt_rst.rb
index e60d5761..cda1b631 100644
--- a/lib/sisu/v6/txt_rst.rb
+++ b/lib/sisu/v6/txt_rst.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_rST
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v6/txt_textile.rb b/lib/sisu/v6/txt_textile.rb
index 00baaa1f..d59a64b9 100644
--- a/lib/sisu/v6/txt_textile.rb
+++ b/lib/sisu/v6/txt_textile.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Txt_Textile
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'shared_metadata'                    # shared_metadata.rb
   require_relative 'txt_shared'                         # txt_shared.rb
diff --git a/lib/sisu/v6/update.rb b/lib/sisu/v6/update.rb
index 40817138..b9dc46c2 100644
--- a/lib/sisu/v6/update.rb
+++ b/lib/sisu/v6/update.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_UpdateControlFlag
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   class Check
diff --git a/lib/sisu/v6/urls.rb b/lib/sisu/v6/urls.rb
index 9cc47afd..1a1088f9 100644
--- a/lib/sisu/v6/urls.rb
+++ b/lib/sisu/v6/urls.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_Urls
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   class Source
     attr_reader :opt
diff --git a/lib/sisu/v5/response.rb b/lib/sisu/v6/utils_response.rb
index 969da001..59037c2e 100644
--- a/lib/sisu/v5/response.rb
+++ b/lib/sisu/v6/utils_response.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/response.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/utils_response.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v6/screen_text_color.rb b/lib/sisu/v6/utils_screen_text_color.rb
index 5c4a2f72..c9842c37 100644
--- a/lib/sisu/v6/screen_text_color.rb
+++ b/lib/sisu/v6/utils_screen_text_color.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/screen_text_color.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/utils_screen_text_color.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v6/spell.rb b/lib/sisu/v6/utils_spell.rb
index a0f6e904..512280cc 100644
--- a/lib/sisu/v6/spell.rb
+++ b/lib/sisu/v6/utils_spell.rb
@@ -51,7 +51,7 @@
 
  * Git
    <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
-   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/spell.rb;hb=HEAD>
+   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/utils_spell.rb;hb=HEAD>
 
  * Ralph Amissah
    <ralph@amissah.com>
diff --git a/lib/sisu/v6/webrick.rb b/lib/sisu/v6/webrick.rb
index 97e6548d..8ebbf2d6 100644
--- a/lib/sisu/v6/webrick.rb
+++ b/lib/sisu/v6/webrick.rb
@@ -70,7 +70,7 @@ module SiSU_Webserv
     rescue LoadError
       SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('time or webrick NOT FOUND (LoadError)')
     end
-    require_relative 'sysenv'                             # sysenv.rb
+    require_relative 'se'                                 # se.rb
       include SiSU_Env
       include SiSU_Screen
     def initialize
@@ -159,7 +159,7 @@ WOK
       get=Dir.pwd
       brick(@port,get)
     rescue
-      require_relative 'sysenv'                             # sysenv.rb
+      require_relative 'se'                                 # se.rb
       SiSU_Errors::Rescued.new($!,$@,'-W',nil).location do #fix
         __LINE__.to_s + ':' + __FILE__
       end
diff --git a/lib/sisu/v6/wikispeak.rb b/lib/sisu/v6/wikispeak.rb
index a7f00dee..ac8e11a4 100644
--- a/lib/sisu/v6/wikispeak.rb
+++ b/lib/sisu/v6/wikispeak.rb
@@ -62,7 +62,7 @@
 =end
 module SiSU_Wikispeak
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Param
   include SiSU_Viz
diff --git a/lib/sisu/v6/xhtml.rb b/lib/sisu/v6/xhtml.rb
index dc04e8b2..0f03dc5b 100644
--- a/lib/sisu/v6/xhtml.rb
+++ b/lib/sisu/v6/xhtml.rb
@@ -63,9 +63,9 @@
 module SiSU_XHTML
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v6/xhtml_epub2.rb b/lib/sisu/v6/xhtml_epub2.rb
index e978c15d..e086d12e 100644
--- a/lib/sisu/v6/xhtml_epub2.rb
+++ b/lib/sisu/v6/xhtml_epub2.rb
@@ -66,7 +66,7 @@ module SiSU_XHTML_EPUB2
   rescue LoadError
     SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).error('pstore NOT FOUND (LoadError)')
   end
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
diff --git a/lib/sisu/v6/xhtml_epub2_concordance.rb b/lib/sisu/v6/xhtml_epub2_concordance.rb
index 2fb8fb91..8defb75f 100644
--- a/lib/sisu/v6/xhtml_epub2_concordance.rb
+++ b/lib/sisu/v6/xhtml_epub2_concordance.rb
@@ -62,9 +62,9 @@
 
 =end
 module SiSU_XHTML_EPUB2_Concordance
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
@@ -157,7 +157,7 @@ WOK
         include SiSU_Viz
       require_relative 'xhtml_epub2_format'             # xhtml_epub2_format.rb
         include SiSU_XHTML_EPUB2_Format
-      require_relative 'sysenv'                         # sysenv.rb
+      require_relative 'se'                             # se.rb
         include SiSU_Screen
       def initialize(particulars)
         @particulars=particulars
diff --git a/lib/sisu/v6/xhtml_epub2_tune.rb b/lib/sisu/v6/xhtml_epub2_tune.rb
index 9222f58b..00d885e7 100644
--- a/lib/sisu/v6/xhtml_epub2_tune.rb
+++ b/lib/sisu/v6/xhtml_epub2_tune.rb
@@ -60,9 +60,9 @@
  ** Description: epub generation, epub pre-processing
 
 =end
-require_relative 'param'
+require_relative 'dp'                                   # dp.rb
 module SiSU_XHTML_EPUB2_Tune
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env; include SiSU_Screen
   require_relative 'xhtml_epub2_format'                 # xhtml_epub2_format.rb #watch
   @@line_mode=''
diff --git a/lib/sisu/v6/xml_docbook5.rb b/lib/sisu/v6/xml_docbook5.rb
index c5be78fe..f087ce0e 100644
--- a/lib/sisu/v6/xml_docbook5.rb
+++ b/lib/sisu/v6/xml_docbook5.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Docbook_Book
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'txt_shared'                         # txt_shared.rb
     include SiSU_TextUtils
diff --git a/lib/sisu/v6/xml_dom.rb b/lib/sisu/v6/xml_dom.rb
index b92c2d51..7bf34dd4 100644
--- a/lib/sisu/v6/xml_dom.rb
+++ b/lib/sisu/v6/xml_dom.rb
@@ -63,9 +63,9 @@
 module SiSU_XML_DOM
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'ao'                                 # ao.rb
   require_relative 'xml_shared'                         # xml_shared.rb
diff --git a/lib/sisu/v6/xml_fictionbook2.rb b/lib/sisu/v6/xml_fictionbook2.rb
index 04303145..6898ab16 100644
--- a/lib/sisu/v6/xml_fictionbook2.rb
+++ b/lib/sisu/v6/xml_fictionbook2.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Fictionbook
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'txt_shared'                         # txt_shared.rb
     include SiSU_TextUtils
diff --git a/lib/sisu/v6/xml_format.rb b/lib/sisu/v6/xml_format.rb
index d310d0ca..70c1a27f 100644
--- a/lib/sisu/v6/xml_format.rb
+++ b/lib/sisu/v6/xml_format.rb
@@ -62,7 +62,7 @@
 
 =end
 module SiSU_XML_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v6/xml_md_oai_pmh_dc.rb b/lib/sisu/v6/xml_md_oai_pmh_dc.rb
index f3a6fae7..96dd6749 100644
--- a/lib/sisu/v6/xml_md_oai_pmh_dc.rb
+++ b/lib/sisu/v6/xml_md_oai_pmh_dc.rb
@@ -61,9 +61,9 @@
 
 =end
 module SiSU_XML_Metadata
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   class OAI_PMH
     def initialize(opt)
diff --git a/lib/sisu/v6/xml_odf_odt.rb b/lib/sisu/v6/xml_odf_odt.rb
index 224de6da..ff6de3a7 100644
--- a/lib/sisu/v6/xml_odf_odt.rb
+++ b/lib/sisu/v6/xml_odf_odt.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_ODF_ODT
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   include SiSU_Viz
   require_relative 'xml_odf_odt_format'                 # xml_odf_odt_format.rb
diff --git a/lib/sisu/v6/xml_odf_odt_format.rb b/lib/sisu/v6/xml_odf_odt_format.rb
index b2539dfd..68457d00 100644
--- a/lib/sisu/v6/xml_odf_odt_format.rb
+++ b/lib/sisu/v6/xml_odf_odt_format.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_XML_ODF_ODT_Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class ParagraphNumber
diff --git a/lib/sisu/v6/xml_sax.rb b/lib/sisu/v6/xml_sax.rb
index 68932463..a99714fb 100644
--- a/lib/sisu/v6/xml_sax.rb
+++ b/lib/sisu/v6/xml_sax.rb
@@ -63,9 +63,9 @@
 module SiSU_XML_SAX
   require_relative 'defaults'                           # defaults.rb
     include SiSU_Viz
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
diff --git a/lib/sisu/v6/xml_scaffold_structure_collapsed.rb b/lib/sisu/v6/xml_scaffold_structure_collapsed.rb
index 9fece3bf..de2487aa 100644
--- a/lib/sisu/v6/xml_scaffold_structure_collapsed.rb
+++ b/lib/sisu/v6/xml_scaffold_structure_collapsed.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Scaffold_Structure_Collapse
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v6/xml_scaffold_structure_sisu.rb b/lib/sisu/v6/xml_scaffold_structure_sisu.rb
index a21f8347..37add440 100644
--- a/lib/sisu/v6/xml_scaffold_structure_sisu.rb
+++ b/lib/sisu/v6/xml_scaffold_structure_sisu.rb
@@ -61,10 +61,10 @@
 
 =end
 module SiSU_XML_Scaffold_Structure_Sisu
-  require_relative 'particulars'                        # particulars.rb
+  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
     include SiSU_Particulars
   require_relative 'ao'                                 # ao.rb
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)
diff --git a/lib/sisu/v6/xml_shared.rb b/lib/sisu/v6/xml_shared.rb
index 38c21802..35d1132d 100644
--- a/lib/sisu/v6/xml_shared.rb
+++ b/lib/sisu/v6/xml_shared.rb
@@ -567,7 +567,7 @@ module SiSU_XML_Munge
   end
 end
 module SiSU_XML_Tags #Format
-  require_relative 'param'                              # param.rb
+  require_relative 'dp'                                 # dp.rb
     include SiSU_Param
   include SiSU_Viz
   class RDF
diff --git a/lib/sisu/v6/zap.rb b/lib/sisu/v6/zap.rb
index 5e30842c..829056b5 100644
--- a/lib/sisu/v6/zap.rb
+++ b/lib/sisu/v6/zap.rb
@@ -61,7 +61,7 @@
 
 =end
 module SiSU_Zap
-  require_relative 'sysenv'                             # sysenv.rb
+  require_relative 'se'                                 # se.rb
     include SiSU_Env
   class Source
     def initialize(opt)